Fulton, CA Weather & Growing Conditions
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 82 in the afternoon. South southwest wind 1 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 1 to 7 mph SSW | 0% |
| Tonight | 53°F | Mostly Cloudy then Areas Of Fog | 1 to 6 mph SSE | 0% |
| Sunday | 80°F | Areas Of Fog then Partly Sunny | 1 to 6 mph S | 0% |
| Sunday Night | 52°F | Areas Of Fog | 1 to 5 mph S | 0% |
| Monday | 80°F | Areas Of Fog then Mostly Sunny | 1 to 7 mph SSW | 0% |
| Monday Night | 51°F | Areas Of Fog | 1 to 7 mph SW | 0% |
| Tuesday | 81°F | Areas Of Fog then Mostly Sunny | 1 to 6 mph SW | 0% |
| Tuesday Night | 52°F | Areas Of Fog | 0 to 6 mph SSW | 0% |
| Wednesday | 88°F | Areas Of Fog then Mostly Sunny | 0 to 6 mph WNW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 6 mph NNW | 0% |
| Thursday | 92°F | Mostly Sunny | 0 to 7 mph WSW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 1 to 7 mph W | 1% |
| Friday | 86°F | Mostly Sunny | 1 to 7 mph WSW | 1% |
| Friday Night | 54°F | Partly Cloudy | 1 to 7 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fulton, CA
Last spring frost
Mar 2
First fall frost
Nov 20
Growing season
262 days
Hardiness zone
9a
Explore more for Fulton, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Santa Rosa Sonoma Co Ap, Ca (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.